| # -*- mode:python -*- |
| |
| # Copyright (c) 2006 The Regents of The University of Michigan |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Authors: Steve Reinhardt |
| |
| import os |
| import os.path |
| |
| # Import build environment variable from SConstruct. |
| Import('env') |
| |
| ################################################################# |
| # |
| # Generate StaticInst execute() method signatures. |
| # |
| # There must be one signature for each CPU model compiled in. |
| # Since the set of compiled-in models is flexible, we generate a |
| # header containing the appropriate set of signatures on the fly. |
| # |
| ################################################################# |
| |
| # CPU model-specific data is contained in cpu_models.py |
| # Convert to SCons File node to get path handling |
| models_db = File('cpu_models.py') |
| # slurp in contents of file |
| execfile(models_db.srcnode().abspath) |
| |
| # Template for execute() signature. |
| exec_sig_template = ''' |
| virtual Fault execute(%s *xc, Trace::InstRecord *traceData) const = 0; |
| virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const |
| { panic("initiateAcc not defined!"); }; |
| virtual Fault completeAcc(Packet *pkt, %s *xc, |
| Trace::InstRecord *traceData) const |
| { panic("completeAcc not defined!"); }; |
| ''' |
| |
| mem_ini_sig_template = ''' |
| virtual Fault initiateAcc(%s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); }; |
| ''' |
| |
| mem_comp_sig_template = ''' |
| virtual Fault completeAcc(uint8_t *data, %s *xc, Trace::InstRecord *traceData) const { panic("Not defined!"); return NoFault; }; |
| ''' |
| |
| # Generate a temporary CPU list, including the CheckerCPU if |
| # it's enabled. This isn't used for anything else other than StaticInst |
| # headers. |
| temp_cpu_list = env['CPU_MODELS'][:] |
| |
| if env['USE_CHECKER']: |
| temp_cpu_list.append('CheckerCPU') |
| |
| # Generate header. |
| def gen_cpu_exec_signatures(target, source, env): |
| f = open(str(target[0]), 'w') |
| print >> f, ''' |
| #ifndef __CPU_STATIC_INST_EXEC_SIGS_HH__ |
| #define __CPU_STATIC_INST_EXEC_SIGS_HH__ |
| ''' |
| for cpu in temp_cpu_list: |
| xc_type = CpuModel.dict[cpu].strings['CPU_exec_context'] |
| print >> f, exec_sig_template % (xc_type, xc_type, xc_type) |
| print >> f, ''' |
| #endif // __CPU_STATIC_INST_EXEC_SIGS_HH__ |
| ''' |
| |
| # Generate string that gets printed when header is rebuilt |
| def gen_sigs_string(target, source, env): |
| return "Generating static_inst_exec_sigs.hh: " \ |
| + ', '.join(temp_cpu_list) |
| |
| # Add command to generate header to environment. |
| env.Command('static_inst_exec_sigs.hh', models_db, |
| Action(gen_cpu_exec_signatures, gen_sigs_string, |
| varlist = temp_cpu_list)) |
| |
| env.Depends('static_inst_exec_sigs.hh', Value(env['USE_CHECKER'])) |
| env.Depends('static_inst_exec_sigs.hh', Value(env['CPU_MODELS'])) |
| |
| # List of suppported CPUs by the Checker. Errors out if USE_CHECKER=True |
| # and one of these are not being used. |
| CheckerSupportedCPUList = ['O3CPU', 'OzoneCPU'] |
| |
| ################################################################# |
| # |
| # Include CPU-model-specific files based on set of models |
| # specified in CPU_MODELS build option. |
| # |
| ################################################################# |
| |
| # Keep a list of CPU models that support SMT |
| env['SMT_CPU_MODELS'] = [] |
| |
| sources = [] |
| |
| need_simple_base = False |
| if 'AtomicSimpleCPU' in env['CPU_MODELS']: |
| need_simple_base = True |
| sources += Split('simple/atomic.cc') |
| |
| if 'TimingSimpleCPU' in env['CPU_MODELS']: |
| need_simple_base = True |
| sources += Split('simple/timing.cc') |
| |
| if need_simple_base: |
| sources += Split('simple/base.cc') |
| |
| if 'FastCPU' in env['CPU_MODELS']: |
| sources += Split('fast/cpu.cc') |
| |
| need_bp_unit = False |
| if 'O3CPU' in env['CPU_MODELS']: |
| need_bp_unit = True |
| sources += SConscript('o3/SConscript', exports = 'env') |
| sources += Split(''' |
| o3/base_dyn_inst.cc |
| o3/bpred_unit.cc |
| o3/commit.cc |
| o3/decode.cc |
| o3/fetch.cc |
| o3/free_list.cc |
| o3/fu_pool.cc |
| o3/cpu.cc |
| o3/iew.cc |
| o3/inst_queue.cc |
| o3/lsq_unit.cc |
| o3/lsq.cc |
| o3/mem_dep_unit.cc |
| o3/rename.cc |
| o3/rename_map.cc |
| o3/rob.cc |
| o3/scoreboard.cc |
| o3/store_set.cc |
| ''') |
| if env['USE_CHECKER']: |
| sources += Split('o3/checker_builder.cc') |
| else: |
| env['SMT_CPU_MODELS'].append('O3CPU') # Checker doesn't support SMT right now |
| |
| if 'OzoneCPU' in env['CPU_MODELS']: |
| need_bp_unit = True |
| sources += Split(''' |
| ozone/base_dyn_inst.cc |
| ozone/bpred_unit.cc |
| ozone/cpu.cc |
| ozone/cpu_builder.cc |
| ozone/dyn_inst.cc |
| ozone/front_end.cc |
| ozone/lw_back_end.cc |
| ozone/lw_lsq.cc |
| ozone/rename_table.cc |
| ''') |
| if env['USE_CHECKER']: |
| sources += Split('ozone/checker_builder.cc') |
| |
| if need_bp_unit: |
| sources += Split(''' |
| o3/2bit_local_pred.cc |
| o3/btb.cc |
| o3/ras.cc |
| o3/tournament_pred.cc |
| ''') |
| |
| if env['USE_CHECKER']: |
| sources += Split('checker/cpu.cc') |
| checker_supports = False |
| for i in CheckerSupportedCPUList: |
| if i in env['CPU_MODELS']: |
| checker_supports = True |
| if not checker_supports: |
| print "Checker only supports CPU models", |
| for i in CheckerSupportedCPUList: |
| print i, |
| print ", please set USE_CHECKER=False or use one of those CPU models" |
| Exit(1) |
| |
| |
| # FullCPU sources are included from src/SConscript since they're not |
| # below this point in the file hierarchy. |
| |
| # Convert file names to SCons File objects. This takes care of the |
| # path relative to the top of the directory tree. |
| sources = [File(s) for s in sources] |
| |
| Return('sources') |
| |